/Engine/Plugins/Experimental/PlatformCrypto/Source/PlatformCryptoTypes/Public/PlatformCryptoTypes.h
Helper class to ensure that only multiples of block-size get passed into our Encrypt/Decrypt functions. This class will hold onto the last-full or partial block until another call to Update or Finalize happens.
class FAESBlockEncryptionHelper
int32
BlockSize
The size of a complete block of data
TArray< uint8 >
LeftoverDataBuffer
A buffer to store data waiting to be encrypted/decrypted